The WS-15 is a Chinese turbofan engine designed for use in advanced military aircraft, particularly the Chengdu J-20. It is part of China's efforts to develop indigenous aerospace technology and reduce reliance on foreign engines. The WS-15 is known for its high thrust and advanced features, which enhance the performance and capabilities of modern fighter jets. This engine is expected to provide improved efficiency and reliability compared to earlier models. The development of the WS-15 is a significant step in China's military aviation program, contributing to the country's goal of achieving greater self-sufficiency in defense technology and enhancing its air combat capabilities.